Design features: it USES multi-storey frame steel structure in structure and tube-truss form on the roof.

设计特点：结构为为多层框架钢结构。屋面为管桁架形式。

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The steel Roof of the Beijing Sport University Track and Field Training Center is a large-span spatial steel tube truss structure.

北京体育大学田径训练中心屋盖为大跨度空间钢管桁架结构。

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The steel roof of Fudan Zhengda Gymnasium, a kind of cable-truss structure, is a complicated (pressed) system made up of space truss, steel arc and cables.

复旦正大体育馆钢屋盖是由空间桁架、钢拱和索组成的受力比较复杂的索-桁架结构。

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